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Finding the Fourth Proportional to 245,904.88, 338,940.84 and 174,192.88

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Solution

The fourth proportional to 245,904.88, 338,940.84 and 174,192.88 is: 240,097.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,904.88 : 338,940.84 = 174,192.88 : x
  2. Step 2: Convert to fraction form
    245,904.88/338,940.84 = 174,192.88/x
  3. Step 3: Cross multiply
    245,904.88x = 338,940.84 × 174,192.88
  4. Step 4: Simplify right side
    245,904.88x = 59,041,081,069.22
  5. Step 5: Solve for x
    x = 59,041,081,069.22/245,904.88
  6. Step 6: Final answer
    x = 240,097.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.